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CA2974747A1 - Procede comprenant un pretraitement avec du dioxyde de soufre et/ou de l'acide sulfureux et hydrolyse enzymatique - Google Patents

Procede comprenant un pretraitement avec du dioxyde de soufre et/ou de l'acide sulfureux et hydrolyse enzymatique Download PDF

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Publication number
CA2974747A1
CA2974747A1 CA2974747A CA2974747A CA2974747A1 CA 2974747 A1 CA2974747 A1 CA 2974747A1 CA 2974747 A CA2974747 A CA 2974747A CA 2974747 A CA2974747 A CA 2974747A CA 2974747 A1 CA2974747 A1 CA 2974747A1
Authority
CA
Canada
Prior art keywords
feedstock
pretreated
soaking
concentration
enzymatic hydrolysis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA2974747A
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English (en)
Inventor
Brian Foody
Jeffrey S. Tolan
Daniel Macdonald
Patrick J. Foody
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Iogen Corp
Original Assignee
Iogen Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Iogen Corp filed Critical Iogen Corp
Publication of CA2974747A1 publication Critical patent/CA2974747A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M45/00—Means for pre-treatment of biological substances
    • C12M45/03—Means for pre-treatment of biological substances by control of the humidity or content of liquids; Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1456—Removing acid components
    • B01D53/1481—Removing sulfur dioxide or sulfur trioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M45/00—Means for pre-treatment of biological substances
    • C12M45/09—Means for pre-treatment of biological substances by enzymatic treatment
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M45/00—Means for pre-treatment of biological substances
    • C12M45/20—Heating; Cooling
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/02—Monosaccharides
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/14—Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase (EC 3.2.x), e.g. by alpha-amylase, e.g. by cellulase, hemicellulase
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00—Preparation of oxygen-containing organic compounds
    • C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
    • C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
    • C12P7/06—Ethanol, i.e. non-beverage
    • C12P7/08—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate
    • C12P7/10—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate substrate containing cellulosic material
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00—Preparation of oxygen-containing organic compounds
    • C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
    • C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
    • C12P7/06—Ethanol, i.e. non-beverage
    • C12P7/14—Multiple stages of fermentation; Multiple types of microorganisms or re-use of microorganisms
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
    • C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
    • C12Y302/01004—Cellulase (3.2.1.4), i.e. endo-1,4-beta-glucanase
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/10—Inorganic absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/10—Inorganic absorbents
    • B01D2252/102—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/302—Sulfur oxides
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P2201/00—Pretreatment of cellulosic or lignocellulosic material for subsequent enzymatic treatment or hydrolysis
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P2203/00—Fermentation products obtained from optionally pretreated or hydrolyzed cellulosic or lignocellulosic material as the carbon source
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biochemistry (AREA)
  • Genetics & Genomics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sustainable Development (AREA)
  • Molecular Biology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

La présente invention concerne un procédé de production d'un produit de fermentation à partir d'une charge lignocellulosique. Le procédé consiste à tremper une charge lignocellulosique dans une solution aqueuse pour produire une charge trempée. La charge trempée est au moins partiellement déshydratée et la charge au moins partiellement déshydratée est soumise à un prétraitement en présence de dioxyde de soufre, d'acide sulfureux ou d'une combinaison de ceux-ci afin de produire une composition de charge prétraitée. La composition de charge prétraitée est alimentée à une hydrolyse enzymatique, la concentration de matières solides dissoutes alimentées à l'hydrolyse enzymatique étant d'au moins 50 % (p/p) de la concentration de matières solides dissoutes dans la composition de charge prétraitée. La cellulose dans la composition de charge prétraitée est hydrolysée par des enzymes cellulases en présence des matières solides dissoutes pour produire du glucose. Le glucose est fermenté pour produire le produit de fermentation.
CA2974747A 2015-03-16 2016-03-16 Procede comprenant un pretraitement avec du dioxyde de soufre et/ou de l'acide sulfureux et hydrolyse enzymatique Pending CA2974747A1 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201562133609P 2015-03-16 2015-03-16
US62/133,609 2015-03-16
US201562142068P 2015-04-02 2015-04-02
US62/142,068 2015-04-02
US201562269339P 2015-12-18 2015-12-18
US62/269,339 2015-12-18
PCT/CA2016/050291 WO2016145530A1 (fr) 2015-03-16 2016-03-16 Procédé comprenant un prétraitement avec du dioxyde de soufre et/ou de l'acide sulfureux et hydrolyse enzymatique

Publications (1)

Publication Number Publication Date
CA2974747A1 true CA2974747A1 (fr) 2016-09-22

Family

ID=56919491

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2974747A Pending CA2974747A1 (fr) 2015-03-16 2016-03-16 Procede comprenant un pretraitement avec du dioxyde de soufre et/ou de l'acide sulfureux et hydrolyse enzymatique

Country Status (4)

Country Link
US (3) US10995314B2 (fr)
BR (2) BR112017017769A2 (fr)
CA (1) CA2974747A1 (fr)
WO (2) WO2016145531A1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2477942B (en) * 2010-02-18 2012-07-04 Icon Technology Systems Ltd Water filters
US10421667B2 (en) 2015-03-16 2019-09-24 Iogen Corporation Process for treating lignocellulosic feedstock comprising wet oxidation
US11008598B2 (en) 2015-03-16 2021-05-18 Iogen Corporation Process comprising acid pretreatment and enzymatic hydrolysis
US10995314B2 (en) 2015-03-16 2021-05-04 Iogen Corporation Sulfur dioxide and/or sulfurous acid pretreatment with sulfur dioxide recovery
BR112018012245A2 (pt) 2015-12-18 2018-12-04 Iogen Corporation ?método para pré-tratar e hidrolisar biomassa lignocelulósica, e, sistema para produzir um produto de fermentação?
CA3012218A1 (fr) 2016-02-10 2017-08-17 Iogen Corporation Pretraitement de biomasse lignocellulosique avec du dioxyde de soufre et/ou de l'acide sulfureux
SE540488C2 (en) * 2017-03-21 2018-09-25 Valmet Oy Method for hydrolysis of lignocellulosic materials
CN107158891B (zh) * 2017-05-22 2019-10-18 中国成达工程有限公司 一种煤气化黑水闪蒸气利用工艺
WO2019090413A1 (fr) * 2017-11-09 2019-05-16 Iogen Corporation Prétraitement au dioxyde de soufre à basse température
CA3078833A1 (fr) 2017-11-09 2019-05-16 Iogen Corporation Pretraitement a basse temperature a l'aide de dioxyde de soufre
FR3075202B1 (fr) * 2017-12-20 2020-08-28 Ifp Energies Now Procede de traitement de biomasse ligno-cellulosique
WO2019191828A1 (fr) * 2018-04-06 2019-10-10 Iogen Corporation Prétraitement avec de l'acide lignosulfonique
US20210340578A1 (en) * 2018-08-31 2021-11-04 Iogen Corporation Acid bisulfite pretreatment
EP3877533A4 (fr) * 2018-11-09 2022-08-17 Iogen Corporation Prétraitement de bois tendre
US11306113B2 (en) 2019-11-13 2022-04-19 American Process International LLC Process for the production of cellulose, lignocellulosic sugars, lignosulfonate, and ethanol
US11118017B2 (en) * 2019-11-13 2021-09-14 American Process International LLC Process for the production of bioproducts from lignocellulosic material
EP3916100A1 (fr) * 2020-05-25 2021-12-01 Sekab E-Technology AB Agencement et procédé pour le traitement de biomasse lignocellulosique
FI129760B (en) * 2020-07-06 2022-08-15 Amppc Finland Oy HIGH YIELD COOKING METHOD
SE2330079A1 (en) 2023-02-14 2024-08-15 Valmet Oy Method and system for treating biomass
SE547156C2 (en) 2023-02-14 2025-05-06 Valmet Oy Method and system for impregnating biomass material
US12290847B2 (en) 2023-03-21 2025-05-06 Bouldin Corporation Infeed system for hydrolyzer

Family Cites Families (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418167A (en) 1940-10-05 1947-04-01 Paper Patents Co Recovery of so2 from digester blowoff gases
US5866382A (en) 1990-04-06 1999-02-02 Xyrofin Oy Xylose utilization by recombinant yeasts
US5424417A (en) 1993-09-24 1995-06-13 Midwest Research Institute Prehydrolysis of lignocellulose
US5789210A (en) 1993-11-08 1998-08-04 Purdue Research Foundation Recombinant yeasts for effective fermentation of glucose and xylose
IN191596B (fr) 1996-05-06 2003-12-06 Purdue Research Foundation
SE9901298D0 (sv) 1999-04-09 1999-04-09 Forskarpatent I Syd Ab Xylose isomerase with improved kinetic properties
FI20010308A0 (fi) 2001-02-16 2001-02-16 Valtion Teknillinen Sienen käsitteleminen geneettisesti siten, että se pystyy käyttämään L-arabinoosia
PT1468093E (pt) 2002-01-23 2009-04-15 Royal Nedalco B V Fermentação de açúcares pentose
JP2007532587A (ja) 2004-04-13 2007-11-15 アイオゲン エナジー コーポレイション リグノセルロース処理における無機塩回収方法
FI118012B (fi) 2004-06-04 2007-05-31 Valtion Teknillinen Menetelmä etanolin valmistamiseksi
US7198925B2 (en) * 2004-09-30 2007-04-03 Iogen Energy Corporation Pre-treatment of bales of feedstock
US8017820B2 (en) * 2004-09-30 2011-09-13 Iogen Energy Corporation Continuous flowing pre-treatment system with steam recovery
CA2610797C (fr) 2005-06-03 2014-08-05 Iogen Energy Corporation Procede de traitement en continu de matieres premieres lignocellulosiques
FI120045B (fi) 2005-12-22 2009-06-15 Roal Oy Selluloosamateriaalin käsittely ja siinä käyttökelpoiset entsyymit
US20070254348A1 (en) 2006-04-28 2007-11-01 Theodora Retsina Method for the production of fermentable sugars and cellulose from lignocellulosic material
JP5553433B2 (ja) 2006-10-02 2014-07-16 ディーエスエム アイピー アセッツ ビー．ブイ． アラビノース発酵性酵母細胞の代謝工学
SE531091C2 (sv) 2007-03-08 2008-12-16 Sekab Biofuel Ind Ab Apparatur för utvinning av sockerarter ur lignocellulosamaterial medelst hydrolys och användning av visst material i apparaturen
US20100279361A1 (en) 2007-05-02 2010-11-04 Mascoma Corporation Two-stage method for pretreatment of lignocellulosic biomass
US8193324B2 (en) 2007-05-31 2012-06-05 Lignol Innovations Ltd. Continuous counter-current organosolv processing of lignocellulosic feedstocks
US8585863B2 (en) * 2007-09-21 2013-11-19 Api Intellectual Property Holdings, Llc Separation of lignin from hydrolyzate
US8057639B2 (en) 2008-02-28 2011-11-15 Andritz Inc. System and method for preextraction of hemicellulose through using a continuous prehydrolysis and steam explosion pretreatment process
US8268125B2 (en) 2008-03-24 2012-09-18 Api Intellectual Property Holdings, Llc Method for vapor phase pulping with alcohol and sulfur dioxide
US9090915B2 (en) 2008-04-22 2015-07-28 Wisconsin Alumni Research Foundation Sulfite pretreatment for biorefining biomass
US8328947B2 (en) 2008-08-29 2012-12-11 Iogen Energy Corporation Method for low water hydrolysis or pretreatment of polysaccharides in a lignocellulosic feedstock
FI121237B (fi) 2008-10-21 2010-08-31 Danisco Menetelmä ksyloosin ja liukosellun tuottamiseksi
CA2746783A1 (fr) 2008-12-19 2010-06-24 Mascoma Corporation Procede a deux etapes pour le pretraitement d'une biomasse
BRPI0904538B1 (pt) 2009-11-30 2018-03-27 Ctc - Centro De Tecnologia Canavieira S.A. Processo de tratamento de biomassa vegetal
EP2336343A1 (fr) 2009-12-21 2011-06-22 Sekab E-Technology AB Détoxication avec des agents réducteurs
EP2336344A1 (fr) 2009-12-21 2011-06-22 Sekab E-Technology AB Prétraitement de matériau cellulosique
US8815561B2 (en) 2010-08-23 2014-08-26 Wisconsin Alumni Research Foundation Metal compounds to eliminate nonproductive enzyme adsorption and enhance enzymatic saccharification of lignocellulose
US8709770B2 (en) 2010-08-31 2014-04-29 Iogen Energy Corporation Process for improving the hydrolysis of cellulose in high consistency systems using one or more unmixed and mixed hydrolysis reactors
US8877468B2 (en) 2010-09-24 2014-11-04 Anaergia Inc. Method for converting biomass to methane or ethanol
BR112013008472B1 (pt) 2010-10-06 2018-11-27 Sekab E-Technology Ab método para melhorar a hidrólise enzimática na sacarificação de um material lignocelulósico e uso de pelo menos um agente redutor selecionado a partir de oxiânions de enxofre e reagentes sulfidrilo
CN103189526B (zh) 2010-11-05 2015-07-08 国际壳牌研究有限公司 处理生物质以产生可用于生物燃料的材料
CA2830436A1 (fr) 2011-03-17 2012-09-20 Aalto University Foundation Conditionnement d'une liqueur usagee so2-ethanol-eau pour la fermentation par clostridia
US8603789B2 (en) 2011-03-18 2013-12-10 Iogen Energy Corporation Method for introducing cellulase enzyme to lignocellulosic feedstock slurry
EP2540833A1 (fr) 2011-06-30 2013-01-02 Sekab E-Technology AB Procédés d'amélioration dýhydrolyse enzymatique de matériau ligno-cellulosique
US9102951B2 (en) 2011-08-31 2015-08-11 Iogen Energy Corporation Process for recovering salt during a lignocellulosic conversion process
EP2758589A4 (fr) 2011-09-20 2015-08-26 Iogen Energy Corp Procédé de chauffage d'une charge d'alimentation
EP2623607A1 (fr) 2012-02-02 2013-08-07 Sekab E-Technology AB Procédé et système pour la production d'un produit chimique cible à partir d'un matériau cellulosique
US20140178944A1 (en) 2012-06-29 2014-06-26 Sweetwater Energy, Inc. Preservation of Biomass for Pretreatment
US20140034047A1 (en) * 2012-08-06 2014-02-06 Api Intellectual Property Holdings, Llc Processes and apparatus for lignin separation in biorefineries
US8853469B2 (en) 2012-11-20 2014-10-07 Celanese International Corporation Combined column for separating products of different hydrogenation reactors
US9322072B2 (en) 2012-12-11 2016-04-26 Api Intellectual Property Holdings, Llc Processes and apparatus for lignin separation in biorefineries
US20140186903A1 (en) * 2012-12-28 2014-07-03 Api Intellectual Property Holdings, Llc Processes and apparatus for producing furfural, levulinic acid, and other sugar-derived products from biomass
US20140182582A1 (en) 2012-12-31 2014-07-03 Api Intellectual Property Holdings, Llc Processes for making cellulose with very low lignin content for glucose, high-purity cellulose, or cellulose derivatives
US9631316B2 (en) 2012-12-31 2017-04-25 Api Intellectual Property Holdings, Llc Biomass fractionation processes employing sulfur dioxide
US20170002387A1 (en) 2013-05-28 2017-01-05 Api Intellectual Property Holdings, Llc Processes for fermentation of lignocellulosic glucose to aliphatic alcohols or acids
US9399840B2 (en) 2013-12-30 2016-07-26 Api Intellectual Property Holdings, Llc Sulfite-based processes for producing nanocellulose, and compositions and products produced therefrom
US9738729B2 (en) 2014-02-19 2017-08-22 Api Intellectual Property Holdings, Llc Processes and apparatus for removal of fermentation inhibitors from biomass hydrolysates
US20150259709A1 (en) 2014-03-11 2015-09-17 Api Intellectual Property Holdings, Llc Processes for producing fluff pulp and ethanol from sugarcane
US20160257979A1 (en) 2015-03-06 2016-09-08 Api Intellectual Property Holdings, Llc Methods for reducing contamination during enzymatic hydrolysis of biomass-derived cellulose
US11008598B2 (en) 2015-03-16 2021-05-18 Iogen Corporation Process comprising acid pretreatment and enzymatic hydrolysis
US10995314B2 (en) 2015-03-16 2021-05-04 Iogen Corporation Sulfur dioxide and/or sulfurous acid pretreatment with sulfur dioxide recovery
US10421667B2 (en) 2015-03-16 2019-09-24 Iogen Corporation Process for treating lignocellulosic feedstock comprising wet oxidation

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WO2016145530A1 (fr) 2016-09-22
BR112017017892A2 (pt) 2018-04-10
US20160312249A1 (en) 2016-10-27
WO2016145531A1 (fr) 2016-09-22
US20180037862A1 (en) 2018-02-08
US9574212B2 (en) 2017-02-21
BR112017017769A2 (pt) 2018-04-03
US20180037863A1 (en) 2018-02-08

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